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군매장의 효율적 POS시스템 운영방안에 관한 실증적 연구 : 공군과 해군의 매장관리 시스템을 중심으로
양경훈,강석구,송병희 중앙대학교 산업경영연구소 1999 산업경영연구 Vol.8 No.2
POS 시스템은 광범위한 적용대상을 가지고 있다. POS 시스템은 편의점이나 백화점과 같은 유통업체로부터 활용되기 시작하였으나 판매정보 이외에 기존 수집 자료를 기초로 상품정보와 재고관리, 수발주에 따른 물류관리, 고객관리, 인사관리에 이르기까지 종합적인 정보를 제공하는 시스템으로 발전되어 나감으로써 제조업체뿐만 아니라 공공기관에 까지 활용되고 있으며 기업의 통합적인 물류관리를 위하여 필수불가결한 시스템으로 자리잡고 있다. 본 연구는 군에서의 효율적인 POS 시스템의 운영방안을 살펴보려 한다. 영리기업이 POS 시스템을 활용하여 정보를 신속, 정확하게 처리함으로써 고객 만족 또는 이윤추구목적은 달성할 수 있었다면 군도 특정영역에서 조직 목표를 달성하는데 POS 시스템을 유용하게 유효한 성과를 거둘 수 있을 것으로 기대된다. POS system was initially introduced to some leading circulation businesses such as CVS or department stores. Since then POS system has been developing into an integral information system, enlarging its range of application - from basic data collection to product information; inventory management; customer service; and personnel management. As circulation companies struggle to get more competitive edge, the number of companies that make strategic use of the secured information is soaring. In pace with the era of information revolution, military organizations have introduced POS system to some daily sales process at BX shops. Since the POS system will surely increase work efficiency, my suggestion, based on the survey, is that the navy should adopt POS system in its BX management. For better results to its full potential, POS system should be designed and implemented in consideration of various demands from relevant departments. Lastly, some measures should be arranged in order to maximize its benefits.
아동이 지각한 어머니의 언어유형이 초등학생의 사회성 발달에 미치는 영향
양희경,이달석 조선대학교 사범대학 부설 교과교육연구소 2001 敎科敎育硏究 Vol.4 No.1
The purpose of this study was to explore that the relationship between mothers' language pattern in home and the children's social development, and to be sure mothers' language pattern us very inportant for children's social development, in order to actualized the purpose of this study, problems of this study were specified as follows: 1) In what shape do mothers' language pattern and children's sociality appear? 2) To what does mothers' language pattern and children's sociality relate? 3) To what does mothers' language pattern and mothers' academic career relate, and mothers' job or nonjob? 4) To what does mothers' language pattern according to mothers' academic career and children's sociality relate, and mothers' job or nonjob? Subjects of this study were sampled(216) elementary school children with stratified random in Gawang-Ju metrepolis. The instruments of this study were the mothers' language pattern inventory which mixed the mothers' language pattern made by Lee Hyen-Joo(1990) and Lee Young Wha(1998), and children's sociality inventory made Han In-Ja(1998). Data were treated with using Descriptive, F-test and χ^2-test of SPSS-PC^+ Major findings of this study were as follows: 1) The order of mothers' language pattern which mothers' use freely language pattern is personal control, order control, status control language pattern and the order of children's social development cretivity, responsibility, tooperationspirit, spirit of independence. 2) The order of effect on children's spirit of independence, responsibility, socialoity is the forst mothers' personal control, mothers' order control and mothers' status control language pattern. 3) There is no difference in mothers' language patterns among mothers'academic career and mothers' having job or not. 4) The mothers' having higher academic career encourage children for responsibility, planning, self-expression and the mothers' having job encourage children for spirit of independence, cooperation, sociality, self-requlation and palnning. According to the results of this study, the conclusion of this study is that mothers' language pattern, especially mothers' personal language pattern is very important for childrens socialdevelopment but this researcher assume that children's social development is influenced with the other variances. So it would be better to study the childrens social development with the multiple dumension.
프로스타글란딘 E₁에칠에스테르의 외용 리오겔 제제 설계
양성운,이진교,이지은,김희규,박혜숙,김종석,최한곤,용철순,최영욱 한국약제학회 2004 Journal of Pharmaceutical Investigation Vol.34 No.2
External lyogels containing prostaglandin E₁ethyl ester(PGE₁-EE), a produrg of prostaglandin E₁(PGE₁) as a therapeutic agent for erectile dysfunction, were formulated to overcome the aqueous instability and enhance the percutaneous absorption. Lyogels of PGE₁-EE were prepared with ethanol (EtOH)/proplyene glycol (PG) cosolvent system as a vehicle, cineol as an enhancer, and hydroxypropylcellusose as a gelling agent. In vitro percutaneous absorption studies were performed to determine the rate of PGE₁ absorption through rat or hairless mouse skin. The permeability of PGE₁-EE lyogel with enhancer was 16-fold greater than that of lyogel without enhancer. Cosolvent produced 9-fold increase in percutaneous absorption. Pharmacodynamic effects of lyogels were evaluated in mature male cats in terms of intracavernosal pressure (ICP). Lyogles containing 0.01% of PGE₁-EE showed higher ICP compared to intraurethral preparation of PGE₁(1%) and enhancer-free control lyogel. The shelf-life (t_(10%) of lyogel at refrigerated condition (4℃) was calculated as 928 days, which is 4.2 times longer than that of control hydrogel. As a result, PGE₁-EE was formulated successfully to a lyogel system with a selective enhancer and cosolvent system for the topical delivery of PGE₁.
양석준,김진우,신승우,이희진,신승훈,유동수,장석원 한국비파괴검사학회 2001 한국비파괴검사학회지 Vol.21 No.6
본 논문은 고압 커패시터의 고장분석과 신뢰성 예측 결과를 다루고 있다. 부품의 수명과 고장률을 예측하기 위해서 두 가지 방법으로 고장 모드와 고장 메커니즘을 연구하였다. 에폭시 수지로 성형된 고압 커패시터가 절연내압 시험 하에서 저항이 제로로 되는 고장에 대하여, 근본원인 고장분석 체계를 효과적으로 수립함으로써 고장 메커니즘의 원인을 분석하였다. 특히 세라믹-에폭시 계면에서의 절연파괴 고장 현상이 강조되었으며, 본 연구에서 얻어진 결과의 타당성은 마그네트론에 장착된 고압 커패시터의 열사이클 시험 수행에 의한 가속시험 결과로부터 입증되었다. 시험 결과들은 결함이 있는 로트를 신속히 규명하고 B10수명을 결정하는데 유용하게 사용할 수 있다. 또한, 유전체의 절연파괴에 대해서 부하-강도 간섭모델을 이용하여 고장률을 예측하였다. This paper presents a result of failure analysis and reliability evaluation for high voltage ceramic capacitors. The failure modes and failure mechanisms were studied in two ways in order to estimate component life and failure rate. The causes of failure mechanisms for zero resistance phenomena under withstanding voltage test in high voltage ceramic capacitors molded by epoxy resin were studied y establishing an effective root cause failure analysis. Particular emphasis was placed on breakdown phenomena at the ceramic-epoxy interface. The validity of the results in this study was confirmed by the results of accelerated testing. Thermal cycling test for high voltage ceramic capacitor mounted on a magnetron were implemented. Delamination between ceramic and epoxy, which might cause electrical short in underlying circuitry, can occur during curing or thermal cycle. The results can be conveniently used to quickly identify defective lots, determine B10 life estimation each lot at the level of inspection, and detect major changes in the vendors processes. Also, thd condition for dielectric breakdown was investigated for the estimation of failure rate with load-strength interference model.
아조벤젠 분자(Disperse Red 1)를 포함한 측쇄형 고분자에서 광유도 복굴절의 실시간적 조사
신희득,주원제,오차환,송석호,김필수,한양규 한양대학교 자연과학연구소 2001 自然科學論文集 Vol.20 No.-
아조벤젠 그룹을 포함한 측쇄형 고분자 필름(PDR1)에서 광 유도된 이방성을 실시간적으로 조사하였다. 수평, 수직한 흡수율의 변화를 광 유도된 복굴절의 기록, 감쇠, 소거, 완화 과정에 따라 측정하여, 매질 내의 아조벤젠 분자의 정렬상태와 복굴절과의 관계를 광 이성화과정으로 설명하였다. 또한 기록빔의 세기를 따른 수직, 수평한 흡수율의 변화와 유도된 복굴절의 관계를 조사하였다. The photo-induced anisotropy for a polymeric film(PDR1) containing azobenzene group as side-chain was investigated dynamically. The change of absrobances with parallel and perpendicular components was measured in recording, decaying, erasing and relaxation processes of photo-induced birefringence, so the relation between the alignment of azobenzene groups and the birefringence was well explained according to the photo-isomerization. Also, the dependence of the photo-induced birefringence on intensity of recording beam was investigated with changes of both absorbance and birefringence.
趙廷錫,韓良洙,金喜洛 대구대학교 과학기술연구소 1999 科學技術硏究 Vol.5 No.5
This model was based on the theory of Box-Jenkins multiplicative ARIMA (SARIMA) and the Transfer function to simulate changes of monthly runoff. The forecasting of Runoff from the pair of observed value of effective rainfall and runoff (X_(t), Y_(t)) in the uniform interval will gives less standard error then the analysis only by Y_(t), so the object of this study is more rational forecasting by the use of (X_(t) , Y_(t)). I analyzed the records of monthly runoff and effective rainfall, and applied the multiplicative ARIMA model and Transfer function-noise model. so I made it possible to do the long-term forecasting and got following results.
이희자,조양석,조광명 한국환경과학회 2000 한국환경과학회지 Vol.9 No.1
Every year, 1.1 million tons of rice-hull are produced in South Korea by the by-product in pounding rice. But they has mainly been utilized as a fuel, agricultural compost and moisture proofs. So, it's very valuable to use waste rice-hull for activated carbon manufacture. SiO_2 content was the highest among inorganics in rice-hull. Therefore, the SiO_2 extraction experiments were carried out under the various conditions of pH 9 to 14, reaction time from 2 to 24 hrs and various temperature of 20 to 100℃. The results showed that increase in pH and temperature enhanced SiO_2 extraction from the carbonized rice-hull. The surface area of the carbonized rice-hull indicating activated carbon adsorption capacity was very small as 178∼191 ㎡/g at first. However, it was increased to 610∼675 ㎡/g when extracted in alkali solution at 100℃. When the mixing rate of carbonized rice-hull and NaOH was 1:1.5, iodine No. and surface area of activated rice-hull during 10 min at 700℃ were 1,650 ㎎/g and 1837 ㎡/g, respectively. Subsequently, an activated carbon with specific surface area of 1,300∼1,900㎡/g was manufactured in a short contact time of 10∼30 min with a mixing rate of 1:1.5 in carbonized rice-hull and NaOH, and iodine No. and specific surface area increased as the amount of SiO_2 removal increased.
정맥내 통증자가조절법을 이용한 Nalbuphine-Ketorolac과 Butorphanol-Ketorolac의 술후 진통효과 비교
윤석화,이원형,손수창,신용섭,김윤희,양신영 충남대학교 의과대학 의학연구소 2003 충남의대잡지 Vol.30 No.1
This study aimed to compare analgegic efficacy, satisfaction score and side effect of nalbuphine-ketorolac and butorphanol-ketorolac by using intravenous patient controlled analgesia(IV-PCA) for postoperative anlgesia following a gastrectomy for stomach cancer. Ninety patients who had undergone gastrectomy for stomach cancer under general anesthesia were randomly divided into two groups. Each group recieived nalbuphine 50mg with ketorolac 150mg(Group 1, n=45) and butorphanol 5mg with ketorolac 150mg(Group 2, n=45) by using IV-PCA during postoperative 48hrs. Assessments for pain with numerical rating scale(NRS), and side effects were evaluated at 2hr, 6hr, 12hr, 24hr, 36hr and 48hr after the operation. There were no significant difference in NRS for pain during rest, but Group 2 requested significantly greater amount of supplementary diclofenac during first 24 hours. Side effects were higher Group 1 in pruritus, nausea and vomiting and Group 2 in sedation, nausea and vomiting. This study suggests that adding ketorolac with intravenous nalbuphine or butrophanol in using an intravenous PCA can decrease analgesics requirement and improve analgesic property without the major morbidity like respiratory depression, but needs for the careful observation and treatment on the side effects like nausea. vomiting, pruritis and sedation...